[PATCH 0/7] share sa1100 rtc driver to arch-mmp

[Haojian Zhuang]

On Thu, Feb 23, 2012 at 4:52 PM, Robert Jarzmik <robert.jarzmik at free.fr> wrote:
> Haojian Zhuang <haojian.zhuang at gmail.com> writes:
>
>> Hi Robert,
>>
>> I hadn't any plan to remove rtc-pxa driver. I only disabled it for
>> pxa27x/pxa3xx. Please check the code of
>> arch/arm/mach-pxa/sharpsl_pm.c. If we only enable rtc-pxa on pxa27x,
>> we'll break the behavior on sharpsl since it's using rtc-sa1100. In
>> order to keep code consistently, I disable rtc-pxa on pxa27x/pxa3xx.
>
> Then you'll break mioa701 board, which is pxa270 based. The RYCR/RDCR were
> introduced on PXA27x chips, so the rtc-pxa driver should work on pxa27x SoCs.
>
> The behaviour should be as before, the config should be able to choose between
> rtc-pxa and rtc-sa1100 for a pxa27x based board. For sharpsl_pm, I suppose the
> rtc-sa1100 will be chosen in the .config, and for mioa701, it will be
> rtc-pxa.
>
> Just to clear, I'm against removing "resources, clock" from pxa27x platform code
> which would break rtc-pxa driver on pxa27x. Now I don't care if you're talking
> about changing some "defconfigs".
>

How about to move the rtc-sa1100 or rtc-pxa device register from
pxa27x.c to board file? Then we'll be both happy.

Thanks
Haojian